Fromberg Opera House
U.S. National Register of Historic Places
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Location	Jct. of Harley Ave. and C St., Fromberg, Montana
Coordinates	45°23′35″N 108°54′24″W / 45.39306°N 108.90667°W / 45.39306; -108.90667 (Fromberg Opera House)
Area	less than one acre
Built	1908
Architectural style	One-story gable-roofed
MPS	Fromberg MPS
NRHP reference No.	92001779[1]
Added to NRHP	January 28, 1993

The Fromberg Opera House, in Fromberg, Montana, was built in 1907. It was renovated to serve as the American Legion Hall in 1940. It was listed in the National Register of Historic Places in 1983.^[1]

According to its National Register nomination:

The Fromberg Opera House derives significance under Criterion A as an important reflection of the town's social and cultural development during its historic boom period (1906-1918). The Fromberg Opera House was the first public, social facility in town and served as the principal gathering place for entertainment and recreational activities in the community for over thirty years. The building was constructed by a group of town promoters in 1908 to host plays by professional troupes that traveled from town to town by train. It also quickly became used as a public hall where town and rural residents could socialize at dances and celebrations. At times the building functioned as a roller skating rink and in 1915 it offered the first glimpse at motion picture entertainment in Fromberg. ^[2]